Home / 170,818.40-256,227.60-137,603.35

Finding the Fourth Proportional to 170,818.40, 256,227.60 and 137,603.35

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Solution

The fourth proportional to 170,818.40, 256,227.60 and 137,603.35 is: 206,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,818.40 : 256,227.60 = 137,603.35 : x
  2. Step 2: Convert to fraction form
    170,818.40/256,227.60 = 137,603.35/x
  3. Step 3: Cross multiply
    170,818.40x = 256,227.60 × 137,603.35
  4. Step 4: Simplify right side
    170,818.40x = 35,257,776,122.46
  5. Step 5: Solve for x
    x = 35,257,776,122.46/170,818.40
  6. Step 6: Final answer
    x = 206,405.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.